ANTI-VIRUS DISINFECTANT Suitable for cold-water fish, tropical fish, and saltwater fish. Product Description: This product is a strong microbial disinfectant. It has a strong bactericidal and anti-inflammatory effect on fish tanks, fish gear, and aquariums. It quickly kills harmful bacteria and pathogens for ornamental fish. It has a strong preventive and therapeutic effect against white spot disease, rot, and white hair whitening. Prevention is always better than cure. Instructions Intended Use: Prevention is always better than cure. Add 10 ml of this product per 100 kg of water, 2 times a month, 1-2 days before water changes. Therapeutic Use: Add 20 ml of this product per 100 kg for 2-3 days. Low oxygen levels can lead to death. Change 30% of the water for further treatment.